space missions

NASA's New Citizen-Inventor Space Challenges Revealed, With Bigger Prize Fund

BY Kit Eaton | 07-14-2010 | 6:49 AM | INNOVATION

NASA today revealed its newest batch of Centennial Challenges. As well as pointing to future directions for space science, they're a gentle booster for President Obama's plans to get more people involved in the space biz--including ...READ MORE›